The energy bands of quantized spin waves and the uniaxial anisotropy in a biferromagnetic systemX. J. Hou, G. H. Yun, Y. H. Bai, N. Bai and W. P. ZhouEur. Phys. J. B, 78 1 (2010) 111-117DOI: https://doi.org/10.1140/epjb/e2010-10072-6